<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        let obj={
            name:"后盾人"
        };

        let map = new Map()
        map.set(obj, "houdunren.com")
        console.log(map.get())
        console.log(map)






        var fruits = ["Banana", "Orange", "Apple", "Mango"];
function myFunction(){
    
   console.log(fruits.pop())

}
myFunction()
    </script>
</body>
</html>